From mboxrd@z Thu Jan 1 00:00:00 1970 From: bjorn.andersson@linaro.org (Bjorn Andersson) Date: Thu, 11 Aug 2016 12:19:11 -0700 Subject: [PATCH 1/9] remoteproc: core: Ensure error message is clear In-Reply-To: <20160811073657.GB1715@dell> References: <20160804092153.23032-1-lee.jones@linaro.org> <20160804092153.23032-2-lee.jones@linaro.org> <20160809172825.GB26240@tuxbot> <20160809181243.GC1581@dell> <68ec0dd7-676d-47a9-19ba-9dcfc9569902@ti.com> <20160811073657.GB1715@dell> Message-ID: <20160811191911.GB26240@tuxbot> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu 11 Aug 00:36 PDT 2016, Lee Jones wrote: > On Wed, 10 Aug 2016, Suman Anna wrote: > > > On 08/09/2016 01:12 PM, Lee Jones wrote: > > > On Tue, 09 Aug 2016, Bjorn Andersson wrote: > > > > > >> On Thu 04 Aug 02:21 PDT 2016, Lee Jones wrote: [..] > > >>> - dev_dbg(dev, "carveout rsc: da %x, pa %x, len %x, flags %x\n", > > >>> + dev_dbg(dev, "carveout rsc: da %x, pa %x, len 0x%x, flags %x\n", > > >>> rsc->da, rsc->pa, rsc->len, rsc->flags); > > > > If you are modifying this trace, it's better to following the leading 0x > > convention on all arguments rather than just the length. > > I'd be concerned if anyone thought it a good idea to print out memory > addresses !0x. The length is the only parameter there which could > (and has) cause confusion. > > However, the fix-up is trivial, so I'm happy to oblige. I'll leave > the final decision to Bjorn and fix-up if he sees it necessary. > I applied this patch yesterday, I see both changes here related to the issue presented (confusing printing of len) so I'm fine with not touching the other parts. That said, there are a few other format strings in this driver that would benefit from some love as well, several cases where we should use %pK or %pad rather than using %llx and a cast to unsigned long long. Regards, Bjorn